{"product_id":"6d-helmets-alterra-mtb-helmet-segment-white-gray","title":"6D Helmets Alterra MTB Helmet - Segment - White-Gray","description":"\u003ch3 data-start=\"104\" data-end=\"135\" class=\"\"\u003e\u003cstrong data-start=\"108\" data-end=\"133\"\u003e6D Alterra MTB Helmet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"136\" data-end=\"181\" class=\"\"\u003e\u003cstrong data-start=\"136\" data-end=\"181\"\u003eAdvanced Protection Meets All-Day Comfort\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"183\" data-end=\"596\" class=\"\"\u003eThe 6D Alterra redefines what a full-face enduro helmet can be—delivering industry-leading impact protection, a featherlight design, and premium ventilation without sacrificing coverage. Engineered with 6D's exclusive Omni-Directional Suspension™ (ODS) technology, the Alterra is built to keep you safe whether you're charging steep descents, tackling technical terrain, or spinning out long e-bike miles.\u003c\/p\u003e\n\u003cp data-start=\"598\" data-end=\"946\" class=\"\"\u003eAt just 710 grams (M\/L), it's one of the lightest full-face MTB helmets certified for DH, BMX, and e-bike standards, offering elite-level safety with day-long comfort. With goggle and glasses compatibility, intuitive airflow design, and a secure Fidlock closure, the Alterra is everything aggressive enduro riders have been waiting for.\u003c\/p\u003e\n\u003cp data-start=\"953\" data-end=\"973\"\u003e\u003cstrong data-start=\"957\" data-end=\"973\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"975\" data-end=\"2164\"\u003e\n\u003cli data-start=\"975\" data-end=\"1133\" class=\"\"\u003e\n\u003cp data-start=\"977\" data-end=\"1017\" class=\"\"\u003e\u003cstrong data-start=\"977\" data-end=\"1015\"\u003eOmni-Directional Suspension™ (ODS)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1020\" data-end=\"1133\"\u003e\n\u003cli data-start=\"1020\" data-end=\"1133\" class=\"\"\u003e\n\u003cp data-start=\"1022\" data-end=\"1133\" class=\"\"\u003ePatented 6D technology minimizes angular and linear impact forces with a unique dual-liner suspension system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1135\" data-end=\"1300\" class=\"\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1166\" class=\"\"\u003e\u003cstrong data-start=\"1137\" data-end=\"1164\"\u003eDual-Liner Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1169\" data-end=\"1300\"\u003e\n\u003cli data-start=\"1169\" data-end=\"1300\" class=\"\"\u003e\n\u003cp data-start=\"1171\" data-end=\"1300\" class=\"\"\u003eMulti-Impact EPP inner liner + EPS outer liner for layered energy absorption across a broad range of crash intensities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1302\" data-end=\"1468\" class=\"\"\u003e\n\u003cp data-start=\"1304\" data-end=\"1340\" class=\"\"\u003e\u003cstrong data-start=\"1304\" data-end=\"1338\"\u003eCarbon-Reinforced Shell System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1343\" data-end=\"1468\"\u003e\n\u003cli data-start=\"1343\" data-end=\"1468\" class=\"\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1468\" class=\"\"\u003eIn-molded carbon fiber internal roll cage + polycarbonate outer shell = uncompromising strength without added bulk.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1588\" class=\"\"\u003e\n\u003cp data-start=\"1472\" data-end=\"1498\" class=\"\"\u003e\u003cstrong data-start=\"1472\" data-end=\"1496\"\u003eCarbon Fiber Chinbar\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1501\" data-end=\"1588\"\u003e\n\u003cli data-start=\"1501\" data-end=\"1588\" class=\"\"\u003e\n\u003cp data-start=\"1503\" data-end=\"1588\" class=\"\"\u003eReinforced for increased durability and lightweight protection in high-speed impacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1590\" data-end=\"1747\" class=\"\"\u003e\n\u003cp data-start=\"1592\" data-end=\"1609\" class=\"\"\u003e\u003cstrong data-start=\"1592\" data-end=\"1607\"\u003eVentilation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1612\" data-end=\"1747\"\u003e\n\u003cli data-start=\"1612\" data-end=\"1747\" class=\"\"\u003e\n\u003cp data-start=\"1614\" data-end=\"1747\" class=\"\"\u003eOver-brow intake channels, large rear exhaust ports, and internal sub-channeling keep air flowing efficiently to reduce heat buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1749\" data-end=\"1963\" class=\"\"\u003e\n\u003cp data-start=\"1751\" data-end=\"1778\" class=\"\"\u003e\u003cstrong data-start=\"1751\" data-end=\"1776\"\u003ePremium Fit \u0026amp; Comfort\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1781\" data-end=\"1963\"\u003e\n\u003cli data-start=\"1781\" data-end=\"1824\" class=\"\"\u003e\n\u003cp data-start=\"1783\" data-end=\"1824\" class=\"\"\u003eIonic+™ antibacterial comfort liner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1827\" data-end=\"1903\" class=\"\"\u003e\n\u003cp data-start=\"1829\" data-end=\"1903\" class=\"\"\u003eIncludes multiple pad sets and comfort liners for a customizable fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1906\" data-end=\"1963\" class=\"\"\u003e\n\u003cp data-start=\"1908\" data-end=\"1963\" class=\"\"\u003eFidlock magnetic closure for one-handed operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1965\" data-end=\"2137\" class=\"\"\u003e\n\u003cp data-start=\"1967\" data-end=\"1993\" class=\"\"\u003e\u003cstrong data-start=\"1967\" data-end=\"1991\"\u003eTrail-Ready Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1996\" data-end=\"2137\"\u003e\n\u003cli data-start=\"1996\" data-end=\"2046\" class=\"\"\u003e\n\u003cp data-start=\"1998\" data-end=\"2046\" class=\"\"\u003eGoggle-compatible with under-visor storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2049\" data-end=\"2080\" class=\"\"\u003e\n\u003cp data-start=\"2051\" data-end=\"2080\" class=\"\"\u003eGlasses-friendly design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2083\" data-end=\"2137\" class=\"\"\u003e\n\u003cp data-start=\"2085\" data-end=\"2137\" class=\"\"\u003e3-position adjustable visor with snap-away feature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2139\" data-end=\"2164\" class=\"\"\u003e\n\u003cp data-start=\"2141\" data-end=\"2164\" class=\"\"\u003e\u003cstrong data-start=\"2141\" data-end=\"2164\"\u003eTravel Bag Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2171\" data-end=\"2193\"\u003e\u003cstrong data-start=\"2175\" data-end=\"2193\"\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2194\" data-end=\"2237\" class=\"\"\u003eMeets or exceeds the following standards:\u003c\/p\u003e\n\u003cul data-start=\"2238\" data-end=\"2369\"\u003e\n\u003cli data-start=\"2238\" data-end=\"2250\" class=\"\"\u003e\n\u003cp data-start=\"2240\" data-end=\"2250\" class=\"\"\u003e\u003cstrong data-start=\"2240\" data-end=\"2248\"\u003eCPSC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2251\" data-end=\"2265\" class=\"\"\u003e\n\u003cp data-start=\"2253\" data-end=\"2265\" class=\"\"\u003e\u003cstrong data-start=\"2253\" data-end=\"2263\"\u003eEN1078\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2266\" data-end=\"2285\" class=\"\"\u003e\n\u003cp data-start=\"2268\" data-end=\"2285\" class=\"\"\u003e\u003cstrong data-start=\"2268\" data-end=\"2283\"\u003eAU\/NZS 2063\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2286\" data-end=\"2314\" class=\"\"\u003e\n\u003cp data-start=\"2288\" data-end=\"2314\" class=\"\"\u003e\u003cstrong data-start=\"2288\" data-end=\"2312\"\u003e8776 E-Bike Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2315\" data-end=\"2344\" class=\"\"\u003e\n\u003cp data-start=\"2317\" data-end=\"2344\" class=\"\"\u003e\u003cstrong data-start=\"2317\" data-end=\"2342\"\u003eASTM F1952 (Downhill)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2345\" data-end=\"2369\" class=\"\"\u003e\n\u003cp data-start=\"2347\" data-end=\"2369\" class=\"\"\u003e\u003cstrong data-start=\"2347\" data-end=\"2367\"\u003eASTM F2032 (BMX)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2376\" data-end=\"2390\"\u003e\u003cstrong data-start=\"2380\" data-end=\"2390\"\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2391\" data-end=\"2408\"\u003e\n\u003cli data-start=\"2391\" data-end=\"2408\" class=\"\"\u003e\n\u003cp data-start=\"2393\" data-end=\"2408\" class=\"\"\u003e710g (Size M\/L)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2415\" data-end=\"2667\" class=\"\"\u003eThe 6D Alterra is more than just a helmet—it's a performance-driven safety system for riders who demand the best. Whether you're racing enduro stages or conquering alpine descents, trust the Alterra to keep your ride dialed and your head protected.\u003c\/p\u003e\n\u003cdiv style=\"position: relative; height: 0; padding-top: 56%; overflow: hidden; max-width: 100%;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/U_g0i8HgmUM\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"6D Helmets","offers":[{"title":"White - Gray \/ X-Small\/Small","offer_id":49510145917168,"sku":"GM032425-04","price":395.0,"currency_code":"USD","in_stock":false},{"title":"White - Gray \/ Medium\/Large","offer_id":49510145949936,"sku":"GM032425-05","price":395.0,"currency_code":"USD","in_stock":true},{"title":"White - Gray \/ X-Large\/2X-Large","offer_id":49510145982704,"sku":"GM032425-06","price":395.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/3592\/3952\/files\/6DHelmetsAlterraMTBHelmet-Segment-White-Gray-Photoroom.png?v=1775652450","url":"https:\/\/coloradocyclist.com\/products\/6d-helmets-alterra-mtb-helmet-segment-white-gray","provider":"Colorado Cyclist","version":"1.0","type":"link"}